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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
  • Since 2016, working to obtain justice for everyone living under the flight path.
  • Less Noise. Cleaner Air. Better Public Health. Compensation.
  • Everything you think you know about the airport is wrong.

TagSustainable Airport Master Plan(237)

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  • 2018-05-04

    Sustainable Airport Master Plan (SAMP) Update: International Boulevard Business Operators & Transportation Review Committee Briefing

    The Port of Seattle presented a Sustainable Airport Master Plan (SAMP) Update to the International Boulevard Business Operators and Transportation Review Committee on May 4, 2018, outlining the airport's long-term vision and near-term projects. The update covered planning progress, including completed steps such as FAA-approved market demand analysis and two rounds of public open houses, with a third open house planned for May 30. Three conceptual alternatives for a second terminal and roadway configuration were introduced, all requiring further study to assess feasibility, cost, and operational efficiency.
    Tagscommunity engagement, Port Of Seattle, SAMP, Sea-Tac Airport, Sustainable Airport Master PlanFolderUpdates
  • 2018-05-01

    Technical Memorandum No. 7: Facilities Implementation and Financial Feasibility — Seattle-Tacoma International Airport

    This 2018 technical memorandum, prepared by Leigh Fisher for the Port of Seattle, outlines near-term construction projects, financial feasibility, and long-term vision for Seattle-Tacoma International Airport as part of its Sustainable Airport Master Plan. It covers major airside, terminal, cargo, and landside projects, along with an assessment of airfield operational feasibility and recommended actions following the plan's completion. While focused primarily on facilities and finance, the document provides context for infrastructure decisions that may affect airport operations and surrounding communities.
    TagsCargo, Port Of Seattle, SAMP, Sea-Tac Airport, SEPA, Sustainable Airport Master PlanFolderTechnical Memos
  • 2018-05-01

    Technical Memorandum No. 9: Sustainability Planning and Management Strategy — Seattle-Tacoma International Airport

    This 2018 technical memorandum outlines a Sustainability Planning and Management Strategy for Seattle-Tacoma International Airport, developed by Leigh Fisher and Synergy Consultants for the Port of Seattle. It establishes sustainability goals, objectives, and metrics across financial, environmental, and social focus areas, drawing on FAA guidance and Port of Seattle commitments. The document also addresses climate change risks to airport facilities and provides a framework for integrating sustainability into near-term airport development decisions.
    TagsFAA, Port Of Seattle, SAMP, Sea-Tac Airport, SEPA, Sustainable Airport Master PlanFolderTechnical Memos
  • 2018-05-01

    Technical Memorandum No. 8: Environmental Overview, Seattle-Tacoma International Airport

    This 2018 technical memorandum prepared by Leigh Fisher for the Port of Seattle provides an environmental overview of Seattle-Tacoma International Airport as part of its Sustainable Airport Master Plan. It examines existing environmental conditions across topics such as air quality, noise, water resources, biological resources, and hazardous materials, then assesses how the airport's near-term construction and improvement projects could affect those resources. The document is intended to guide planners in understanding potential environmental impacts — including noise and compatible land use — before major airport development decisions are finalized.
    TagsEnvironmental Impact Statement, Port Of Seattle, SAMP, Sea-Tac Airport, SEPA, Sustainable Airport Master PlanFolderTechnical Memos
  • 2018-05-01

    Technical Memorandum No. 7: Facilities Implementation and Financial Feasibility — Seattle-Tacoma International Airport

    This May 2018 technical memorandum, prepared by Leigh Fisher for the Port of Seattle, outlines near-term capital projects and long-term facility improvements planned for Seattle-Tacoma International Airport as part of the Sustainable Airport Master Plan. It evaluates the financial and operational feasibility of major airside, terminal, cargo, and landside projects, and recommends key actions for implementation following completion of the planning process. Note that this document focuses on facilities and financial planning rather than noise policy specifically.
    TagsLeigh-Fisher, Port Of Seattle, SAMP, Sea-Tac Airport, Sustainable Airport Master PlanFolderSAMP
  • Sustainable Airport Master Plan (SAMP)

    The Port Of Seattle’s main web portal for all things SAMP.          The Port of Seattle and FAA is conducting an environmental review of the SAMP Near-Term Projects. Information can be found at www.SAMPNTPenvironmentalreview.org. The Central Puget Sound region is expected to grow by another one million people by 2035. The Sustainable
    CategoriesResources TagsPort Of Seattle, Sustainable Airport Master Plan
  • 2018-02-13

    Sustainable Airport Master Plan (SAMP) update

    This February 2018 briefing presents an update to the Sustainable Airport Master Plan (SAMP) for Seattle-Tacoma International Airport, outlining both near-term improvement projects and a long-term development vision for the airport. The plan addresses existing conditions, development constraints, and key functional areas—including terminal, cargo, and displaced facilities—while also covering environmental review and stakeholder engagement processes. A phased approach guides how the airport intends to manage growth and infrastructure changes over time.
    TagsEnvironmental Review, Port Of Seattle, SAMP, Sea-Tac Airport, Sustainable Airport Master PlanFolderMeetings
  • 2018-02-04

    Sustainable Airport Master Plan (SAMP) planning update

    The Port of Seattle's February 2018 briefing updates the Commission on the Sustainable Airport Master Plan (SAMP), a long-range planning effort initiated in 2013 to identify facility improvements needed at Seattle-Tacoma International Airport over a 20-year horizon. The plan proposes a package of near-term projects—including 19 gates connected to a new terminal north of the existing complex—projected to meet capacity needs through 2027, while keeping the airport's current three-runway system in place. Public scoping for environmental review of these near-term projects was anticipated to begin in mid-to-late 2018.
    TagsEnvironmental Review, Port Of Seattle, SAMP, Sea-Tac Airport, Sustainable Airport Master PlanFolderMeetings
  • 2018-01-08

    Aviation Advisory Committee Meeting Minutes — January 8, 2018

    The Des Moines Aviation Advisory Committee met on January 8, 2018 to discuss several airport-related concerns, including an update on the University of Washington Ultrafine Particle Study, a proposed interlocal agreement between neighboring cities to jointly respond to the Port of Seattle's Sustainable Airport Master Plan (SAMP), and a potential resolution advocating for a second airport. Community members and committee members also raised ongoing concerns about the health and noise impacts of Sea-Tac Airport on local residents.
    TagsDes Moines Aviation Advisory Committee, SAMP, Sheila Brush, Sustainable Airport Master Plan, Ultrafine ParticulatesFolderAd Hoc Aviation Advisory Committee
  • 2017-10-01

    Technical memorandum No. 6 Final – Alternatives

    This October 2017 Technical Memorandum, prepared by Leigh Fisher for the Port of Seattle, outlines development alternatives for Seattle-Tacoma International Airport as part of its Sustainable Airport Master Plan. It covers a wide range of potential airport improvements, including airfield capacity enhancements, passenger terminal expansion, ground access and parking, air cargo facilities, and general aviation. The document evaluates options such as runway relocations, new taxiway configurations, and midfield terminal development to meet long-term aviation demand.
    TagsNEPA, SAMP, Sea-Tac Airport, Sustainable Airport Master PlanFolder2018 Scoping

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
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    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

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Issues

Sea-Tac Airport is currently undergoing the largest and longest expansion in its history, collectively known as the Sustainable Airport Master Plan (SAMP). Some of it you can already hear, but you’re probably not aware of what it all means. Here’s what you need to know.
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Read This!

As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.
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